How do I correctly encode filenames for use in https-response "content-disposition" header?

[DJ-Tom]

Hi,

I'm serving files via HttpResponse and currently I'm struggling with spaces in the filenames.

This is how I contruct the response header:

        response = HttpResponse(report.reportfile.chunks(), mimetype="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
        response['Content-Disposition'] = "attachment; filename=" + rep_setup.name.encode("ASCII") + "." + report.date_run.strftime("%Y-%m-%d.%H%M") + ".xlsx"
        report.reportfile.close()
        return response

But if rep_setup.filename contains spaces, the browser (Firefox) truncates the filename at that position.

I tried to use django.utils.http.urlqoute(), but a filename like this looks just ugly: Some%20long%20Filename%20with%20Spaces.xlsx

Or should I just replace all Spaces with a underscore "_" character?

What is the technically correct way?

Thomas

[Bill Freeman]

Not sure, but perhaps you need quotes around the file name to avoid having the user agent terminate the filename on space?  E.g.;

    ..."attachement; filename=" + '"' + rep_setup......+ '.xlsx"'

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[DJ-Tom]

Good idea - I will try if this helps - for now I'm replacing spaces with underscores which works as well.